Home / 43,524.28-65,279.94-13,939.12

Finding the Fourth Proportional to 43,524.28, 65,279.94 and 13,939.12

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Solution

The fourth proportional to 43,524.28, 65,279.94 and 13,939.12 is: 20,906.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,524.28 : 65,279.94 = 13,939.12 : x
  2. Step 2: Convert to fraction form
    43,524.28/65,279.94 = 13,939.12/x
  3. Step 3: Cross multiply
    43,524.28x = 65,279.94 × 13,939.12
  4. Step 4: Simplify right side
    43,524.28x = 909,944,917.25
  5. Step 5: Solve for x
    x = 909,944,917.25/43,524.28
  6. Step 6: Final answer
    x = 20,906.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.